f(x) = 2x 3 + 3x 2 8x + 3 a. Show that f(x) = (2x
Question:
f(x) = 2x3 + 3x2 – 8x + 3
a. Show that f(x) = (2x – 1)(ax2 + bx + c) where a, b and c are constants to be found.
b. Hence factorise f(x) completely.
c. Write down all the real roots of the equation f(x) = 0.
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a To show that fx can be expressed as 2x 1ax2 bx c we need to determine the values of a b and c Expa...View the full answer
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Related Book For 
Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS
ISBN: 9781292183398
1st Edition
Authors: Greg Attwood
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